teams init
Merge https://github.com/buildbuild/buildbuild into feature/Teams_modeling
0803_test_code_update
team init2
add pydot, pyparsing to requirements.txt
add django-extensions to requirements.txt
added team model & team model tests
merged
Merge branch 'wikibootup-feature/Teams_modeling'
Merge branch 'master' of github.com:buildbuild/buildbuild into develop

* 'master' of github.com:buildbuild/buildbuild:
  added team model & team model tests
  add django-extensions to requirements.txt
  add pydot, pyparsing to requirements.txt
  team init2
  0803_test_code_update
  teams init